What colour do you associate education and training with?

Red

Blue

Orange

Green

Yellow

I'm looking to get some feedback on a flyer that I am in the process of developing. This flyer is aimed towards employers seeking to employ apprentices/interns.
I am particularly interested in your opinion on:
Which you prefer
Font
Colour scheme
Shape layout
Image layout
And also I would greatly appreciate if you could let me know what are the first few things that attract your eyes when you first see the flyer.